Line2:
List the Internal Revenue Code provision(s) overruled or
modified by the treaty-based return position
Line4:
List the provision(s) of the limitation on benefits article (if any) in the
treaty that the taxpayer relies on to prevent application of that article
而且那个position是什么意思啊？另外，line5是不是就把aticle19抄上就行乐？
多谢高手执教。
